1022123099 has 2 divisors, whose sum is σ = 1022123100. Its totient is φ = 1022123098.

The previous prime is 1022123087. The next prime is 1022123101. The reversal of 1022123099 is 9903212201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1022123099 - 2²⁸ = 753687643 is a prime.

It is a super-3 number, since 3×1022123099³ (a number of 28 digits) contains 333 as substring.

Together with 1022123101, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1022123699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511061549 + 511061550.

It is an arithmetic number, because the mean of its divisors is an integer number (511061550).

Almost surely, 2^1022123099 is an apocalyptic number.

1022123099 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022123099 is an equidigital number, since it uses as much as digits as its factorization.

1022123099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 1022123099 is about 31970.6599712924. The cubic root of 1022123099 is about 1007.3206437331.

The spelling of 1022123099 in words is "one billion, twenty-two million, one hundred twenty-three thousand, ninety-nine".